Information retrieval apparatus, information retrieval system, and information retrieval method
US11216499B2 · kind B2 · utility
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Key dates
| Filing date | Feb 26, 2019 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | May 6, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06N20/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An information retrieval apparatus includes a retrieval phrase acquisition device and a controller. The retrieval phrase acquisition device acquires a retrieval phrase from outside. The controller is configured to generate a feature word from the retrieval phrase. The feature word is related to a word representing a retrieval target. The controller is configured to retrieve the retrieval target corresponding to the feature word based on the feature word from an accumulation database that accumulates the feature word and the retrieval target corresponding to the feature word.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.